機内 きない通話 つうわ装置 そうちじゃないです
kinaitsūwasōchijanaidesu

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 機内通話装置

1. It's not the in-flight telephone.; It's not an in-flight communication device.

Negative
Polite
Casual Register